// vendor autoload  $db = new ClickHouseDB\Client(['config_array']); if (!$db->ping()) echo 'Error connect';

$config = [ 'host' => '192.168.1.1', 'port' => '8123', 'username' => 'default', 'password' => '', 'https' => true ]; $db = new ClickHouseDB\Client($config); $db->database('default'); $db->setTimeout(1.5); // 1 second , support only Int value $db->setTimeout(10); // 10 seconds $db->setConnectTimeOut(5); // 5 seconds $db->ping(true); // if can`t connect throw exception 

print_r($db->showTables());

$db->write('  CREATE TABLE IF NOT EXISTS summing_url_views (  event_date Date DEFAULT toDate(event_time),  event_time DateTime,  site_id Int32,  site_key String,  views Int32,  v_00 Int32,  v_55 Int32  )  ENGINE = SummingMergeTree(event_date, (site_id, site_key, event_time, event_date), 8192) ');

echo $db->showCreateTable('summing_url_views');

$stat = $db->insert('summing_url_views', [ [time(), 'HASH1', 2345, 22, 20, 2], [time(), 'HASH2', 2345, 12, 9, 3], [time(), 'HASH3', 5345, 33, 33, 0], [time(), 'HASH3', 5345, 55, 0, 55], ], ['event_time', 'site_key', 'site_id', 'views', 'v_00', 'v_55'] );

$statement = $db->insert('table_name', [ [time(), UInt64::fromString('18446744073709551615')], ], ['event_time', 'uint64_type_column'] ); UInt64::fromString('18446744073709551615')

$statement = $db->select('SELECT * FROM summing_url_views LIMIT 2');

// Count select rows $statement->count(); // Count all rows $statement->countAll(); // fetch one row $statement->fetchOne(); // get extremes min print_r($statement->extremesMin()); // totals row print_r($statement->totals()); // result all print_r($statement->rows()); // totalTimeRequest print_r($statement->totalTimeRequest()); // raw answer JsonDecode array, for economy memory print_r($statement->rawData()); // raw curl_info answer print_r($statement->responseInfo()); // human size info print_r($statement->info()); // if clickhouse-server version >= 54011 $db->settings()->set('output_format_write_statistics',true); print_r($statement->statistics()); // Statement Iterator $state=$this->client->select('SELECT (number+1) as nnums FROM system.numbers LIMIT 5'); foreach ($state as $key=>$value) { echo $value['nnums']; }

$statement = $db->select('  SELECT event_date, site_key, sum(views), avg(views)  FROM summing_url_views  WHERE site_id < 3333  GROUP BY event_date, url_hash  WITH TOTALS '); print_r($statement->rowsAsTree('event_date.site_key')); /* (  [2016-07-18] => Array  (  [HASH2] => Array  (  [event_date] => 2016-07-18  [url_hash] => HASH2  [sum(views)] => 12  [avg(views)] => 12  )  [HASH1] => Array  (  [event_date] => 2016-07-18  [url_hash] => HASH1  [sum(views)] => 22  [avg(views)] => 22  )  ) ) */

$db->write('DROP TABLE IF EXISTS summing_url_views');

$state1 = $db->selectAsync('SELECT 1 as ping'); $state2 = $db->selectAsync('SELECT 2 as ping'); // run $db->executeAsync(); // result print_r($state1->rows()); print_r($state2->fetchOne('ping'));

$file_data_names = [ '/tmp/clickHouseDB_test.1.data', '/tmp/clickHouseDB_test.2.data', '/tmp/clickHouseDB_test.3.data', '/tmp/clickHouseDB_test.4.data', '/tmp/clickHouseDB_test.5.data', ]; // insert all files $stat = $db->insertBatchFiles( 'summing_url_views', $file_data_names, ['event_time', 'site_key', 'site_id', 'views', 'v_00', 'v_55'] );

$select = $db->selectAsync('SELECT * FROM summing_url_views LIMIT 1'); $insert = $db->insertBatchFiles('summing_url_views', ['/tmp/clickHouseDB_test.1.data'], ['event_time']); // 'Exception' with message 'Queue must be empty, before insertBatch, need executeAsync'

$db->settings()->max_execution_time(200); $db->enableHttpCompression(true); $result_insert = $db->insertBatchFiles('summing_url_views', $file_data_names, [...]); foreach ($result_insert as $fileName => $state) { echo $fileName . ' => ' . json_encode($state->info_upload()) . PHP_EOL; }

$db->settings()->max_execution_time(200); // second

$config['host']='blabla.com'; $config['port']=0; // getUri() === 'http://blabla.com' $config['host']='blabla.com/urls'; $config['port']=8765; // getUri() === 'http://blabla.com/urls' $config['host']='blabla.com:2224'; $config['port']=1234; // getUri() === 'http://blabla.com:2224' 

print_r($db->databaseSize()); print_r($db->tablesSize()); print_r($db->tableSize('summing_partions_views'));

$count_result = 2; print_r($db->partitions('summing_partions_views', $count_result));

$file_name_data1 = '/tmp/temp_csv.txt'; // two column file [int,string] $whereIn = new \ClickHouseDB\Query\WhereInFile(); $whereIn->attachFile($file_name_data1, 'namex', ['site_id' => 'Int32', 'site_hash' => 'String'], \ClickHouseDB\Query\WhereInFile::FORMAT_CSV); $result = $db->select($sql, [], $whereIn); // see example/exam7_where_in.php

$date1 = new DateTime("now"); // DateTimeInterface $Bindings = [ 'select_date' => ['2000-10-10', '2000-10-11', '2000-10-12'], 'datetime'=>$date, 'limit' => 5, 'from_table' => 'table' ]; $statement = $db->selectAsync("SELECT FROM {from_table} WHERE datetime=:datetime limit {limit}", $Bindings); // Double bind in {KEY} $keys=[ 'A'=>'{B}', 'B'=>':C', 'C'=>123, 'Z'=>[':C',':B',':C'] ]; $this->client->selectAsync('{A} :Z', $keys)->sql() // == "123 ':C',':B',':C' FORMAT JSON", 

$db->enableQueryConditions(); $input_params = [ 'select_date' => ['2000-10-10', '2000-10-11', '2000-10-12'], 'limit' => 5, 'from_table' => 'table' ]; $select = '  SELECT * FROM {from_table}  WHERE  {if select_date}  event_date IN (:select_date)  {else}  event_date=today()  {/if}  {if limit}  LIMIT {limit}  {/if} '; $statement = $db->selectAsync($select, $input_params); echo $statement->sql(); /* SELECT * FROM table WHERE event_date IN ('2000-10-10','2000-10-11','2000-10-12') LIMIT 5 FORMAT JSON */ $input_params['select_date'] = false; $statement = $db->selectAsync($select, $input_params); echo $statement->sql(); /* SELECT * FROM table WHERE event_date=today() LIMIT 5 FORMAT JSON */ $state1 = $db->selectAsync( 'SELECT 1 as {key} WHERE {key} = :value', ['key' => 'ping', 'value' => 1] ); // SELECT 1 as ping WHERE ping = "1"

// in array config $config = [ 'host' => 'x', 'port' => '8123', 'username' => 'x', 'password' => 'x', 'settings' => ['max_execution_time' => 100] ]; $db = new ClickHouseDB\Client($config); // settings via constructor $config = [ 'host' => 'x', 'port' => '8123', 'username' => 'x', 'password' => 'x' ]; $db = new ClickHouseDB\Client($config, ['max_execution_time' => 100]); // set method $config = [ 'host' => 'x', 'port' => '8123', 'username' => 'x', 'password' => 'x' ]; $db = new ClickHouseDB\Client($config); $db->settings()->set('max_execution_time', 100); // apply array method $db->settings()->apply([ 'max_execution_time' => 100, 'max_block_size' => 12345 ]); // check if ($db->settings()->getSetting('max_execution_time') !== 100) { throw new Exception('Bad work settings'); } // see example/exam10_settings.php

// enable session_id $db->useSession(); $sesion_AA=$db->getSession(); // return session_id $db->write(' CREATE TEMPORARY TABLE IF NOT EXISTS temp_session_test (number UInt64)'); $db->write(' INSERT INTO temp_session_test SELECT number*1234 FROM system.numbers LIMIT 30'); // reconnect to continue with other session $db->useSession($sesion_AA);

$db->write('  CREATE TABLE IF NOT EXISTS arrays_test_string (  s_key String,  s_arr Array(String)  )  ENGINE = Memory '); $db->insert('arrays_test_string', [ ['HASH1', ["a", "dddd", "xxx"]], ['HASH1', ["b'\tx"]], ], ['s_key', 's_arr'] ); // see example/exam12_array.php

var_dump( ClickHouseDB\Quote\FormatLine::CSV( ['HASH1', ["a", "dddd", "xxx"]] ) ); var_dump( ClickHouseDB\Quote\FormatLine::TSV( ['HASH1', ["a", "dddd", "xxx"]] ) ); // example write to file $row=['event_time'=>date('Y-m-d H:i:s'),'arr1'=>[1,2,3],'arrs'=>["A","B\nD\nC"]]; file_put_contents($fileName,ClickHouseDB\Quote\FormatLine::TSV($row)."\n",FILE_APPEND);

$db = new ClickHouseDB\Client($config); $db->settings()->https();

print_r($db->getServerUptime()); print_r($db->getServerSystemSettings()); print_r($db->getServerSystemSettings('merge_tree_min_rows_for_concurrent_read'));

$config = [ 'host' => '192.168.1.20', 'port' => '8123', 'username' => 'ro', 'password' => 'ro', 'readonly' => true ];

$WriteToFile=new ClickHouseDB\WriteToFile('/tmp/_1_select.csv'); $db->select('select * from summing_url_views',[],null,$WriteToFile); // or $db->selectAsync('select * from summing_url_views limit 4',[],null,new ClickHouseDB\WriteToFile('/tmp/_3_select.tab',true,'TabSeparatedWithNames')); $db->selectAsync('select * from summing_url_views limit 4',[],null,new ClickHouseDB\WriteToFile('/tmp/_4_select.tab',true,'TabSeparated')); $statement=$db->selectAsync('select * from summing_url_views limit 54',[],null,new ClickHouseDB\WriteToFile('/tmp/_5_select.csv',true,ClickHouseDB\WriteToFile::FORMAT_CSV));

$streamWrite=new ClickHouseDB\Transport\StreamWrite($stream); $client->streamWrite( $streamWrite, // StreamWrite Class 'INSERT INTO {table_name} FORMAT JSONEachRow', // SQL Query ['table_name'=>'_phpCh_SteamTest'] // Binds );

$stream = fopen('php://memory','r+'); for($f=0;$f<23;$f++) { // Make json data in stream fwrite($stream, json_encode(['a'=>$f]).PHP_EOL ); } rewind($stream); // rewind stream $streamWrite=new ClickHouseDB\Transport\StreamWrite($stream); $streamWrite->applyGzip(); // Add Gzip zlib.deflate in stream $callable = function ($ch, $fd, $length) use ($stream) { return ($line = fread($stream, $length)) ? $line : ''; }; // Apply closure $streamWrite->closure($callable); // Run Query $r=$client->streamWrite($streamWrite,'INSERT INTO {table_name} FORMAT JSONEachRow', ['table_name'=>'_phpCh_SteamTest']); // Result print_r($r->info_upload());

$stream = fopen('php://memory','r+'); $streamRead=new ClickHouseDB\Transport\StreamRead($stream); $r=$client->streamRead($streamRead,'SELECT sin(number) as sin,cos(number) as cos FROM {table_name} LIMIT 4 FORMAT JSONEachRow', ['table_name'=>'system.numbers']); rewind($stream); while (($buffer = fgets($stream, 4096)) !== false) { echo ">>> ".$buffer; } fclose($stream); // Need Close Stream // Send to closure $stream = fopen('php://memory','r+'); $streamRead=new ClickHouseDB\Transport\StreamRead($stream); $callable = function ($ch, $string) use ($stream) { // some magic for _BLOCK_ data fwrite($stream, str_ireplace('"sin"','"max"',$string)); return strlen($string); }; $streamRead->closure($callable); $r=$client->streamRead($streamRead,'SELECT sin(number) as sin,cos(number) as cos FROM {table_name} LIMIT 44 FORMAT JSONEachRow', ['table_name'=>'system.numbers']);

 $oneRow = [ 'one' => 1, 'two' => 2, 'thr' => 3, ]; $failRow = [ 'two' => 2, 'one' => 1, 'thr' => 3, ]; $db->insertAssocBulk([$oneRow, $oneRow, $failRow])

$config=[ 'host'=>'host.com', //... 'auth_method'=>1, ];

// Apply function $db->progressFunction(function ($data) { echo "CALL FUNCTION:".json_encode($data)."\n"; }); $st=$db->select('SELECT number,sleep(0.2) FROM system.numbers limit 5'); // Print // ... // CALL FUNCTION:{"read_rows":"2","read_bytes":"16","total_rows":"0"} // CALL FUNCTION:{"read_rows":"3","read_bytes":"24","total_rows":"0"} // ...

$config = [ 'host' => 'cluster.clickhouse.dns.com', // any node name in cluster 'port' => '8123', 'sslCA' => '...', ];

$config = [ 'host' => 'cluster.clickhouse.dns.com', // any node name in cluster 'port' => '8123', 'username' => 'default', // all node have one login+password 'password' => '' ]; // client connect first node, by DNS, read list IP, then connect to ALL nodes for check is !OK! $cl = new ClickHouseDB\Cluster($config); $cl->setScanTimeOut(2.5); // 2500 ms, max time connect per one node // Check replica state is OK if (!$cl->isReplicasIsOk()) { throw new Exception('Replica state is bad , error='.$cl->getError()); } // get array nodes, and clusers print_r($cl->getNodes()); print_r($cl->getClusterList()); // get node by cluster $name='some_cluster_name'; print_r($cl->getClusterNodes($name)); // get counts echo "> Count Shard = ".$cl->getClusterCountShard($name)."\n"; echo "> Count Replica = ".$cl->getClusterCountReplica($name)."\n"; // get nodes by table & print size per node $nodes=$cl->getNodesByTable('shara.adpreview_body_views_sharded'); foreach ($nodes as $node) { echo "$node > \n"; // select one node print_r($cl->client($node)->tableSize('adpreview_body_views_sharded')); print_r($cl->client($node)->showCreateTable('shara.adpreview_body_views')); } // work with one node // select by IP like "*.248*" = `123.123.123.248`, dilitmer `;` , if not fount -- select first node $cli=$cl->clientLike($name,'.298;.964'); // first find .298 then .964 , result is ClickHouseDB\Client $cli->ping(); // truncate table on cluster $result=$cl->truncateTable('dbNane.TableName_sharded'); // get one active node ( random ) $cl->activeClient()->setTimeout(500); $cl->activeClient()->write("DROP TABLE IF EXISTS default.asdasdasd ON CLUSTER cluster2"); // find `is_leader` node $cl->getMasterNodeForTable('dbNane.TableName_sharded'); // errors var_dump($cl->getError()); //

$db->enableExtremes(true);

$db->enableLogQueries(); $db->select('SELECT 1 as p'); print_r($db->select('SELECT * FROM system.query_log')->rows());

$db->isExists($database,$table);

$db->verbose();

 // init client $cli = new Client($config); $cli->verbose(); // temp stream $stream = fopen('php://memory', 'r+'); // set stream to curl $cli->transport()->setStdErrOut($stream); // exec curl $st=$cli->select('SElect 1 as ppp'); $st->rows(); // rewind  fseek($stream,0,SEEK_SET); // output echo stream_get_contents($stream);